would it be possible to provide a sample PDF which also reveals the
issue but doesn't contain confidential data?
BR
Maruan
Am Donnerstag, dem 09.09.2021 um 08:44 -0700 schrieb John Lussmyer:
> On Wed Sep 08 20:31:47 PDT 2021 thaush...@t-online.de said:
> > Ooops, you didn't mention that you turned antialiasing off. The
> > image
> > looks as if interpolation was also turned off. If you set rendering
> > hints you always have to set all the hints you need. Here's the
> > default:
> >
> > private RenderingHints createDefaultRenderingHints(Graphics2D
> > graphics)
> > {
> > RenderingHints r = new RenderingHints(null);
> > r.put(RenderingHints.KEY_INTERPOLATION, isBitonal(graphics)
> > ?
> > RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR :
> > RenderingHints.VALUE_INTERPOLATION_BICUBIC);
> > r.put(RenderingHints.KEY_RENDERING,
> > RenderingHints.VALUE_RENDER_QUALITY);
> > r.put(RenderingHints.KEY_ANTIALIASING, isBitonal(graphics)
> > ?
> > RenderingHints.VALUE_ANTIALIAS_OFF :
> > RenderingHints.VALUE_ANTIALIAS_ON);
> > return r;
> > }
>
> So, setting one Rendering Hint discards all default values? What
> does it use for those others then?
>
> Just tried with this set:
> hintlist.put(RenderingHints.KEY_ANTIALIASING,
> RenderingHints.VALUE_ANTIALIAS_OFF);
> hintlist.put(RenderingHints.KEY_TEXT_ANTIALIASING,
> RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
> hintlist.put(RenderingHints.KEY_INTERPOLATION,
> RenderingHints.VALUE_INTERPOLATION_BICUBIC);
> hintlist.put(RenderingHints.KEY_RENDERING,
> RenderingHints.VALUE_RENDER_QUALITY);
> hintlist.put(RenderingHints.KEY_FRACTIONALMETRICS,
> RenderingHints.VALUE_FRACTIONALMETRICS_ON);
>
> I also tried a variation with VALUE_INTERPOLATION_NEAREST_NEIGHBOR.
>
> No change. Still looks like random pixels scattered on the page.
>
>
> --
>
> Tigers prowl and Dragons soar in my dreams...
>
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